11315223342212 has 12 divisors (see below), whose sum is σ = 19803442221276. Its totient is φ = 5657096993280.

The previous prime is 11315223342161. The next prime is 11315223342239. The reversal of 11315223342212 is 21224332251311.

It can be written as a sum of positive squares in 2 ways, for example, as 7789368411136 + 3525854931076 = 2790944^2 + 1877726^2 .

It is a super-2 number, since 2×11315223342212² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 128619989 + ... + 128707932.

It is an arithmetic number, because the mean of its divisors is an integer number (1650286851773).

Almost surely, 2^{11315223342212} is an apocalyptic number.

It is an amenable number.

11315223342212 is a deficient number, since it is larger than the sum of its proper divisors (8488218879064).

11315223342212 is a wasteful number, since it uses less digits than its factorization.

11315223342212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257338918 (or 257338916 counting only the distinct ones).

The product of its digits is 17280, while the sum is 32.

Adding to 11315223342212 its reverse (21224332251311), we get a palindrome (32539555593523).

The spelling of 11315223342212 in words is "eleven trillion, three hundred fifteen billion, two hundred twenty-three million, three hundred forty-two thousand, two hundred twelve".